197674719201853 has 2 divisors, whose sum is σ = 197674719201854. Its totient is φ = 197674719201852.

The previous prime is 197674719201689. The next prime is 197674719201977. The reversal of 197674719201853 is 358102917476791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194398409238489 + 3276309963364 = 13942683^2 + 1810058^2 .

It is a cyclic number.

It is not a de Polignac number, because 197674719201853 - 2³⁷ = 197537280248381 is a prime.

It is a super-2 number, since 2×197674719201853² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197674719205853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98837359600926 + 98837359600927.

It is an arithmetic number, because the mean of its divisors is an integer number (98837359600927).

It is a 1-persistent number, because it is pandigital, but 2⋅197674719201853 = 395349438403706 is not.

Almost surely, 2^{197674719201853} is an apocalyptic number.

It is an amenable number.

197674719201853 is a deficient number, since it is larger than the sum of its proper divisors (1).

197674719201853 is an equidigital number, since it uses as much as digits as its factorization.

197674719201853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160030080, while the sum is 70.

The spelling of 197674719201853 in words is "one hundred ninety-seven trillion, six hundred seventy-four billion, seven hundred nineteen million, two hundred one thousand, eight hundred fifty-three".